High-altitude particle detector spots a second Galactic microquasar

Nature, Published online: 16 October 2024; doi:10.1038/d41586-024-03191-x

An astrophysical object called a microquasar in the Milky Way has been found to emit γ-rays. The discovery shows that these systems accelerate particles to extremely high energies, and could provide insight into Galactic cosmic rays.